Christian J. Bjerrum
Copenhagen, 1350, Denmark
Last Updated: 09/26/2026
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Found 13 publications
Shelf-invading low-oxygen waters control Cenozoic organic carbon burial rates.
Journal: Proceedings of the National Academy of Sciences of the United States of America
Published: June 22, 2026
Constructing a model including the cryptic sulfur cycle in Chesapeake Bay requires judicious choices for key processes and parameters.
Journal: MethodsX
Published: March 14, 2023
Widespread seafloor anoxia during generation of the Ediacaran Shuram carbon isotope excursion.
Journal: Geobiology
Published: November 27, 2022
Petrographic carbon in ancient sediments constrains Proterozoic Era atmospheric oxygen levels.
Journal: Proceedings of the National Academy of Sciences of the United States of America
Published: June 02, 2021
Minimum levels of atmospheric oxygen from fossil tree roots imply new plant-oxygen feedback.
Journal: Geobiology
Published: June 30, 2020
Cold spells in the Nordic Seas during the early Eocene Greenhouse.
Journal: Nature communications
Published: December 02, 2019
A Mesoproterozoic iron formation.
Journal: Proceedings of the National Academy of Sciences of the United States of America
Published: April 11, 2018
Reply to Planavsky et al.: Strong evidence for high atmospheric oxygen levels 1,400 million years ago.
Journal: Proceedings of the National Academy of Sciences of the United States of America
Published: April 22, 2016
Sufficient oxygen for animal respiration 1,400 million years ago.
Journal: Proceedings of the National Academy of Sciences of the United States of America
Published: January 06, 2016
Orbital forcing of climate 1.4 billion years ago.
Journal: Proceedings of the National Academy of Sciences of the United States of America
Published: March 17, 2015
Last Updated: 09/26/2026